The Reeco BN21 is a square-shaped, hot-air nozzle with a 21mm x 21mm faceplate. It is constructed with an aluminum nose assembly, adjustable aluminum deflector, and a high-temperature silicone rubber nozzle body. The BN21 is designed to fit most high-Profile Axial and Radial Fans, and ships with an adjustable backplate and screws. This nozzle is rated up to 300°C, with an air velocity of 1.5 to 2 m/s. The BN21 is designed to provide efficient and reliable air cooling for a variety of applications, from PC systems to industrial electronics, due to its ability to deliver targeted, hot-air cooling with minimal turbulence.